<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>表格</title>
  <style>

       .tbl{
            width: 960px;
            height: 200px;
            border: 1px solid;
       }

        .tbl td{
          border: 1px solid;
        }
  </style>
</head>
<body>

   <table border="1" width="960" height="400">
       <tr>
         <td>1-1</td>
         <td>1-2</td>
       </tr>
   </table>


   <table class="tbl">
     <tr>
       <td>1-1</td>
       <td>1-2</td>
     </tr>
   </table>

</body>
</html>